Hi, I have an insignia tv with ROKU. On the ROKU channel, when I select the Carol Burnett show, it is stuck on loading. I've tried different episodes of Carol Burnett and none will load. It will show a purple loading bar, then move to 0 and stop. Other shows on the ROKU channel work just fine. I've removed/re added the app, rebooted from the menu, unplugged from the wall, turned off surge protector, nothing has fixed it. What do you advise? Thank you very much.